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JAVASCRIPT TUTORIALS - Javascript - For...in

Javascript - For...in

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Syntax:


for (variablename in object){
  statement or block to execute
}

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Example:


<script type="text/javascript">
<!--
var aProperty;
document.write("Navigator Object Properties<br /> ");
for (aProperty in navigator)
{
  document.write(aProperty);
  document.write("<br />");
}
document.write("Exiting from the loop!");
//-->
</script>

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Navigator Object Properties
appCodeName
appName
appMinorVersion
cpuClass
platform
plugins
opsProfile
userProfile
systemLanguage
userLanguage
appVersion
userAgent
onLine
cookieEnabled
mimeTypes
Exiting from the loop!